The chill in the air might be causing a few more critters and creatures to knock at your door. And while we all wish we were as calm and friendly as the Racoon Whisperer, a lot of infestations can be irritating, terrifying and potentially damaging to our homes and health. So to keep your closets clean of furry friends this fall, we checked in with Brett MacKillop of Abell Pest Control to learn how to keep unwanted visitors at bay.